From Guild Wars 2 Wiki
Iberu's Treasure can be found at the end of the Reach the treasure inside the labyrinthine Inner Keep race.
- Lump of Mistonium
- Empyreal Fragment (2)
- 1 random drop. At least the following items are known to drop from this object:
- 1 random gear drop. At least the following items are known to drop from this object:
- Drop rate research can be found here.